package com.yuyu.qingmangmall.member.config;

import feign.RequestInterceptor;
import feign.RequestTemplate;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;

@Configuration
public class QingmangFeignConfig {

    @Bean("requestInterceptor")
    public RequestInterceptor requestInterceptor(){

        return new RequestInterceptor() {
            @Override
            public void apply(RequestTemplate template) {
                // RequestContextHolder 拿到刚进来的请求
                ServletRequestAttributes requestAttributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
                if (requestAttributes!=null){
                    // 老请求
                    System.out.println("requestTemplate线程Id: "+Thread.currentThread().getId());
                    HttpServletRequest request = requestAttributes.getRequest();
                    if (request!=null){
                        // 同步请求头数据
                        String cookie = request.getHeader("Cookie");
                        // 给新请求放入老请求的cookie
                        template.header("Cookie",cookie);
                    }
                }


            }
        };
    }
}
